[1]
Andersen, S. and Sørensen, I. 1967. On beryllite and bertrandite from the Ilímaussaq alkaline intrusion, South Greenland. Bulletin Grønlands Geologiske Undersøgelse. 68, (Nov. 1967), 10–29. DOI:https://doi.org/10.34194/bullggu.v68.6604.